/* Copyright (C) 2007-2010 Open Information Security Foundation * * You can copy, redistribute or modify this Program under the terms of * the GNU General Public License version 2 as published by the Free * Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * version 2 along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. */ /** * \ingroup httplayer * * @{ */ /** * \file * * \author Gerardo Iglesias */ #include "suricata-common.h" #include "threads.h" #include "debug.h" #include "decode.h" #include "detect.h" #include "detect-parse.h" #include "detect-engine.h" #include "detect-engine-mpm.h" #include "detect-content.h" #include "detect-pcre.h" #include "flow.h" #include "flow-var.h" #include "util-debug.h" #include "util-unittest.h" #include "util-spm.h" #include "util-print.h" #include "app-layer.h" #include "app-layer-htp.h" #include "detect-http-uri.h" #include "detect-uricontent.h" #include "stream-tcp.h" int DetectHttpUriSetup (DetectEngineCtx *, Signature *, char *); void DetectHttpUriRegisterTests(void); /** * \brief Registration function for keyword: http_uri */ void DetectHttpUriRegister (void) { sigmatch_table[DETECT_AL_HTTP_URI].name = "http_uri"; sigmatch_table[DETECT_AL_HTTP_URI].desc = "content modifier to match specifically and only on the HTTP uri-buffer"; sigmatch_table[DETECT_AL_HTTP_URI].url = "https://redmine.openinfosecfoundation.org/projects/suricata/wiki/HTTP-keywords#http_uri-and-http_raw_uri"; sigmatch_table[DETECT_AL_HTTP_URI].Match = NULL; sigmatch_table[DETECT_AL_HTTP_URI].AppLayerMatch = NULL; sigmatch_table[DETECT_AL_HTTP_URI].alproto = ALPROTO_HTTP; sigmatch_table[DETECT_AL_HTTP_URI].Setup = DetectHttpUriSetup; sigmatch_table[DETECT_AL_HTTP_URI].Free = NULL; sigmatch_table[DETECT_AL_HTTP_URI].RegisterTests = DetectHttpUriRegisterTests; sigmatch_table[DETECT_AL_HTTP_URI].flags |= SIGMATCH_PAYLOAD; } /** * \brief this function setups the http_uri modifier keyword used in the rule * * \param de_ctx Pointer to the Detection Engine Context * \param s Pointer to the Signature to which the current keyword belongs * \param str Should hold an empty string always * * \retval 0 On success * \retval -1 On failure */ int DetectHttpUriSetup (DetectEngineCtx *de_ctx, Signature *s, char *str) { SigMatch *sm = NULL; int ret = -1; if (str != NULL && strcmp(str, "") != 0) { SCLogError(SC_ERR_INVALID_ARGUMENT, "http_uri shouldn't be supplied with " "an argument"); goto end; } if (s->init_flags & (SIG_FLAG_INIT_FILE_DATA | SIG_FLAG_INIT_DCE_STUB_DATA)) { SCLogError(SC_ERR_INVALID_SIGNATURE, "\"http_uri\" keyword seen " "with a sticky buffer still set. Reset sticky buffer " "with pkt_data before using the modifier."); goto end; } if (s->alproto != ALPROTO_UNKNOWN && s->alproto != ALPROTO_HTTP) { SCLogError(SC_ERR_CONFLICTING_RULE_KEYWORDS, "rule contains a non http " "alproto set"); goto end; } s->flags &= ~SIG_FLAG_TOCLIENT; s->flags |= SIG_FLAG_TOSERVER; sm = SigMatchGetLastSMFromLists(s, 2, DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_PMATCH]); if (sm == NULL) { SCLogError(SC_ERR_INVALID_SIGNATURE, "\"http_uri\" keyword " "found inside the rule without a content context. " "Please use a \"content\" keyword before using the " "\"http_uri\" keyword"); goto end; } DetectContentData *cd = (DetectContentData *)sm->ctx; if (cd->flags & DETECT_CONTENT_RAWBYTES) { SCLogError(SC_ERR_INVALID_SIGNATURE, "http_uri rule can not " "be used with the rawbytes rule keyword"); goto end; } if (cd->flags & (DETECT_CONTENT_WITHIN | DETECT_CONTENT_DISTANCE)) { SigMatch *pm = SigMatchGetLastSMFromLists(s, 4, DETECT_CONTENT, sm->prev, DETECT_PCRE, sm->prev); if (pm != NULL) { if (pm->type == DETECT_CONTENT) { DetectContentData *tmp_cd = (DetectContentData *)pm->ctx; tmp_cd->flags &= ~DETECT_CONTENT_RELATIVE_NEXT; } else { DetectPcreData *tmp_pd = (DetectPcreData *)pm->ctx; tmp_pd->flags &= ~DETECT_PCRE_RELATIVE_NEXT; } } pm = SigMatchGetLastSMFromLists(s, 4, DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_UMATCH], DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_UMATCH]); if (pm != NULL) { if (pm->type == DETECT_CONTENT) { DetectContentData *tmp_cd = (DetectContentData *)pm->ctx; tmp_cd->flags |= DETECT_CONTENT_RELATIVE_NEXT; } else { DetectPcreData *tmp_pd = (DetectPcreData *)pm->ctx; tmp_pd->flags |= DETECT_PCRE_RELATIVE_NEXT; } } } cd->id = DetectPatternGetId(de_ctx->mpm_pattern_id_store, cd, s, DETECT_SM_LIST_UMATCH); s->flags |= SIG_FLAG_APPLAYER; s->alproto = ALPROTO_HTTP; /* transfer the sm from the pmatch list to umatch list */ SigMatchTransferSigMatchAcrossLists(sm, &s->sm_lists[DETECT_SM_LIST_PMATCH], &s->sm_lists_tail[DETECT_SM_LIST_PMATCH], &s->sm_lists[DETECT_SM_LIST_UMATCH], &s->sm_lists_tail[DETECT_SM_LIST_UMATCH]); ret = 0; end: return ret; } /******************************** UNITESTS **********************************/ #ifdef UNITTESTS #include "stream-tcp-reassemble.h" /** * \test Checks if a http_uri is registered in a Signature, if content is not * specified in the signature */ int DetectHttpUriTest01(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any " "(msg:\"Testing http_uri\"; http_uri;sid:1;)"); if (de_ctx->sig_list == NULL) result = 1; end: if (de_ctx != NULL) DetectEngineCtxFree(de_ctx); return result; } /** * \test Checks if a http_uri is registered in a Signature, if some parameter * is specified with http_uri in the signature */ int DetectHttpUriTest02(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any " "(msg:\"Testing http_uri\"; content:\"one\"; " "http_cookie:wrong; sid:1;)"); if (de_ctx->sig_list == NULL) result = 1; end: if (de_ctx != NULL) DetectEngineCtxFree(de_ctx); return result; } /** * \test Checks if a http_uri is registered in a Signature */ int DetectHttpUriTest03(void) { SigMatch *sm = NULL; DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any " "(msg:\"Testing http_uri\"; content:\"one\"; " "http_uri; content:\"two\"; http_uri; " "content:\"three\"; http_uri; " "sid:1;)"); if (de_ctx->sig_list == NULL) { printf("sig parse failed: "); goto end; } sm = de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH]; if (sm == NULL) { printf("no sigmatch(es): "); goto end; } while (sm != NULL) { if (sm->type == DETECT_CONTENT) { result = 1; } else { printf("expected DETECT_AL_HTTP_URI, got %d: ", sm->type); goto end; } sm = sm->next; } end: if (de_ctx != NULL) DetectEngineCtxFree(de_ctx); return result; } /** * \test Checks if a http_uri is registered in a Signature, when rawbytes is * also specified in the signature */ int DetectHttpUriTest04(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any " "(msg:\"Testing http_uri\"; content:\"one\"; " "rawbytes; http_uri; sid:1;)"); if (de_ctx->sig_list == NULL) result = 1; end: if (de_ctx != NULL) SigCleanSignatures(de_ctx); if (de_ctx != NULL) DetectEngineCtxFree(de_ctx); return result; } /** * \test Checks if a http_uri is successfully converted to a uricontent * */ int DetectHttpUriTest05(void) { DetectEngineCtx *de_ctx = NULL; Signature *s = NULL; int result = 0; if ((de_ctx = DetectEngineCtxInit()) == NULL) goto end; s = SigInit(de_ctx, "alert tcp any any -> any any " "(msg:\"Testing http_uri\"; " "content:\"we are testing http_uri keyword\"; " "http_uri; sid:1;)"); if (s == NULL) { printf("sig failed to parse\n"); goto end; } if (s->sm_lists[DETECT_SM_LIST_UMATCH] == NULL) goto end; if (s->sm_lists[DETECT_SM_LIST_UMATCH]->type != DETECT_CONTENT) { printf("wrong type\n"); goto end; } char *str = "we are testing http_uri keyword"; int uricomp = memcmp((const char *)((DetectContentData*) s->sm_lists[DETECT_SM_LIST_UMATCH]->ctx)->content, str, strlen(str)-1); int urilen = ((DetectContentData*) s->sm_lists_tail[DETECT_SM_LIST_UMATCH]->ctx)->content_len; if (uricomp != 0 || urilen != strlen("we are testing http_uri keyword")) { printf("sig failed to parse, content not setup properly\n"); goto end; } result = 1; end: if (de_ctx != NULL) SigCleanSignatures(de_ctx); if (de_ctx != NULL) SigGroupCleanup(de_ctx); return result; } int DetectHttpUriTest06(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any " "(content:\"one\"; content:\"one\"; http_uri; sid:1;)"); if (de_ctx->sig_list == NULL) { printf("de_ctx->sig_list == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL\n"); goto end; } DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; DetectContentData *ud = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->ctx; if (cd->id == ud->id) goto end; result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpUriTest07(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any " "(content:\"one\"; http_uri; content:\"one\"; sid:1;)"); if (de_ctx->sig_list == NULL) { printf("de_ctx->sig_list == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL\n"); goto end; } DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; DetectContentData *ud = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->ctx; if (cd->id == ud->id) goto end; result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpUriTest08(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any " "(content:\"one\"; content:\"one\"; content:\"one\"; http_uri; content:\"one\"; sid:1;)"); if (de_ctx->sig_list == NULL) { printf("de_ctx->sig_list == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL\n"); goto end; } DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; DetectContentData *ud = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->ctx; if (cd->id != 0 || ud->id != 1) goto end; result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpUriTest09(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any " "(content:\"one\"; http_uri; content:\"one\"; content:\"one\"; content:\"one\"; sid:1;)"); if (de_ctx->sig_list == NULL) { printf("de_ctx->sig_list == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL\n"); goto end; } DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; DetectContentData *ud = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->ctx; if (cd->id != 1 || ud->id != 0) goto end; result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpUriTest10(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any " "(content:\"one\"; http_uri; " "content:\"one\"; content:\"one\"; http_uri; content:\"one\"; sid:1;)"); if (de_ctx->sig_list == NULL) { printf("de_ctx->sig_list == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL\n"); goto end; } DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; DetectContentData *ud1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->ctx; DetectContentData *ud2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->prev->ctx; if (cd->id != 1 || ud1->id != 0 || ud2->id != 0) goto end; result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpUriTest11(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any " "(content:\"one\"; http_uri; " "content:\"one\"; content:\"one\"; http_uri; content:\"two\"; sid:1;)"); if (de_ctx->sig_list == NULL) { printf("de_ctx->sig_list == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL\n"); goto end; } DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; DetectContentData *ud1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->ctx; DetectContentData *ud2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->prev->ctx; if (cd->id != 2 || ud1->id != 0 || ud2->id != 0) goto end; result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpUriTest12(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any " "(content:\"one\"; http_uri; " "content:\"two\"; distance:0; http_uri; sid:1;)"); if (de_ctx->sig_list == NULL) { printf("de_ctx->sig_list == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL\n"); goto end; } DetectContentData *ud1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->prev->ctx; DetectContentData *ud2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->ctx; if (ud1->flags != DETECT_CONTENT_RELATIVE_NEXT || memcmp(ud1->content, "one", ud1->content_len) != 0 || ud2->flags != DETECT_CONTENT_DISTANCE || memcmp(ud2->content, "two", ud1->content_len) != 0) { goto end; } result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpUriTest13(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any " "(content:\"one\"; http_uri; " "content:\"two\"; within:5; http_uri; sid:1;)"); if (de_ctx->sig_list == NULL) { printf("de_ctx->sig_list == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL\n"); goto end; } DetectContentData *ud1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->prev->ctx; DetectContentData *ud2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->ctx; if (ud1->flags != DETECT_CONTENT_RELATIVE_NEXT || memcmp(ud1->content, "one", ud1->content_len) != 0 || ud2->flags != DETECT_CONTENT_WITHIN || memcmp(ud2->content, "two", ud1->content_len) != 0) { goto end; } result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpUriTest14(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any " "(content:\"one\"; within:5; http_uri; sid:1;)"); if (de_ctx->sig_list == NULL) { printf("de_ctx->sig_list == NULL\n"); goto end; } result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpUriTest15(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any " "(content:\"one\"; http_uri; within:5; sid:1;)"); if (de_ctx->sig_list == NULL) { printf("de_ctx->sig_list == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL\n"); goto end; } DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->ctx; if (memcmp(cd->content, "one", cd->content_len) != 0 || cd->flags != DETECT_CONTENT_WITHIN) { goto end; } result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpUriTest16(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any " "(content:\"one\"; within:5; sid:1;)"); if (de_ctx->sig_list == NULL) { printf("de_ctx->sig_list == NULL\n"); goto end; } result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpUriTest17(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any " "(uricontent:\"one\"; " "content:\"two\"; distance:0; http_uri; sid:1;)"); if (de_ctx->sig_list == NULL) { printf("de_ctx->sig_list == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL\n"); goto end; } DetectContentData *ud1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->prev->ctx; DetectContentData *ud2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->ctx; if (ud1->flags != DETECT_CONTENT_RELATIVE_NEXT || memcmp(ud1->content, "one", ud1->content_len) != 0 || ud2->flags != DETECT_CONTENT_DISTANCE || memcmp(ud2->content, "two", ud1->content_len) != 0) { goto end; } result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpUriTest18(void) { DetectEngineCtx *de_ctx = NULL; int result = 0; if ( (de_ctx = DetectEngineCtxInit()) == NULL) goto end; de_ctx->flags |= DE_QUIET; de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any " "(uricontent:\"one\"; " "content:\"two\"; within:5; http_uri; sid:1;)"); if (de_ctx->sig_list == NULL) { printf("de_ctx->sig_list == NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n"); goto end; } if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_UMATCH] == NULL\n"); goto end; } DetectContentData *ud1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->prev->ctx; DetectContentData *ud2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_UMATCH]->ctx; if (ud1->flags != DETECT_CONTENT_RELATIVE_NEXT || memcmp(ud1->content, "one", ud1->content_len) != 0 || ud2->flags != DETECT_CONTENT_WITHIN || memcmp(ud2->content, "two", ud1->content_len) != 0) { goto end; } result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } #endif /* UNITTESTS */ /** * \brief Register the UNITTESTS for the http_uri keyword */ void DetectHttpUriRegisterTests (void) { #ifdef UNITTESTS /* UNITTESTS */ UtRegisterTest("DetectHttpUriTest01", DetectHttpUriTest01, 1); UtRegisterTest("DetectHttpUriTest02", DetectHttpUriTest02, 1); UtRegisterTest("DetectHttpUriTest03", DetectHttpUriTest03, 1); UtRegisterTest("DetectHttpUriTest04", DetectHttpUriTest04, 1); UtRegisterTest("DetectHttpUriTest05", DetectHttpUriTest05, 1); UtRegisterTest("DetectHttpUriTest06", DetectHttpUriTest06, 1); UtRegisterTest("DetectHttpUriTest07", DetectHttpUriTest07, 1); UtRegisterTest("DetectHttpUriTest08", DetectHttpUriTest08, 1); UtRegisterTest("DetectHttpUriTest09", DetectHttpUriTest09, 1); UtRegisterTest("DetectHttpUriTest10", DetectHttpUriTest10, 1); UtRegisterTest("DetectHttpUriTest11", DetectHttpUriTest11, 1); UtRegisterTest("DetectHttpUriTest12", DetectHttpUriTest12, 1); UtRegisterTest("DetectHttpUriTest13", DetectHttpUriTest13, 1); UtRegisterTest("DetectHttpUriTest14", DetectHttpUriTest14, 1); UtRegisterTest("DetectHttpUriTest15", DetectHttpUriTest15, 1); UtRegisterTest("DetectHttpUriTest16", DetectHttpUriTest16, 1); UtRegisterTest("DetectHttpUriTest17", DetectHttpUriTest17, 1); UtRegisterTest("DetectHttpUriTest18", DetectHttpUriTest18, 1); #endif /* UNITTESTS */ } /** * @} */